Open Design Alliance Drawing SDK

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1. EXECUTIVE SUMMARY

• CVSS v3 7.8
• ATTENTION: Low attack complexity
• Vendor: Open Design Alliance (ODA)
• Equipment: Drawing SDK
• Vulnerabilities: Use after Free, Heap-based Buffer Overflow

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow remote attackers to disclose sensitive information on affected installations of ODA Drawing SDK.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of ODA Drawing SDK are affected:

• Drawing SDK: Versions prior to 2024.1

3.2 Vulnerability Overview

3.2.1 USE AFTER FREE CWE-416

Open Design Alliance’s Drawing SDK prior to Version 2024.1 is vulnerable to a use after free attack. Exploitation of this vulnerability requires the target to visit a malicious page or open a malicious file. The specific vulnerability exists within the parsing of DWG files. Crafted data in a DWG file can trigger a use after free attack past the end of an allocated buffer. An attacker could leverage this vulnerability in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

CVE-2023-26495 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C).

3.2.2 HEAP-BASED BUFFER OVERFLOW CWE-122

Parsing of DWG files in Open Design Alliance Drawings SDK before 2023.6 lacks proper validation of the length of user-supplied XRecord data prior to copying it to a fixed-length heap-based buffer. An attacker could leverage this vulnerability to execute code in the context of the current process.

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